Smart City Dispatch · Glossary
2G
Second-generation digital cellular systems, including GSM and CDMA families. They added digital voice, SMS, and low-rate packet data.
2G
Second-generation digital cellular systems, including GSM and CDMA families. They added digital voice, SMS, and low-rate packet data.
Smart-city relevance: Many early machine-to-machine systems used 2G; network sunsets created migration pressure for long-lived city devices.
Related: GSM; GPRS; EDGE